Playfair Cipher

ID: 949071 score:

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A Using a Playfair cipher with a key of playfair example, determine the codes for the following:

Coding

Answer

Result

lozbrpry

pbonar

Playfair Code

[Back] This page defines Playfair coding. With this we use a 5x5 matrix, and add the key at the start, and then place the rest of the letters (without repeating any).
Next we take the plain text two characters at a time, and then draw a rectangle around then, and the other letters which bound the rectangle are then used. For example with a key of "playfair example" Theory[Calculator]